Ukraine demands that rebels in Donetsk surrender

Fighting raged in the city of Donetsk on Sunday, as government forces continued to close in on the rebel stronghold and pro-Russian insurgents backed away from an unconditional cease-fire offer that they announced just the day before.

Ukrainian government soldiers drive their tank with a Ukrainian national flag in Donetsk region, eastern Ukraine, Saturday, Aug. 9, 2014. A top commander of the pro-Russia insurgency in eastern Ukraine said Saturday that Ukrainian forces have seized Krasnyi Luch a key town, leaving the rebel region's largest city of Donetsk surrounded. (AP Photo/Evgeniy Maloletka)
Photo by Associated Press